V2EX exosome

Exosome

释义 Definition

外泌体:一种由细胞释放到细胞外的微小膜性囊泡(通常约 30150 纳米),可携带蛋白质、脂质和核酸等分子,在细胞间通讯、免疫调控与疾病(如癌症、神经退行性疾病)研究中很重要。(该词在不同学科里也可有更细分的定义与分类。)

例句 Examples

Exosomes carry messages between cells.
外泌体在细胞之间传递信息。

Researchers found that tumor-derived exosomes can alter immune responses and may help cancer spread to other tissues.
研究人员发现,肿瘤来源的外泌体可以改变免疫反应,并可能帮助癌症向其他组织扩散。

发音 Pronunciation (IPA)

/ksosom/

词源 Etymology

exosome 由 **exo-**(“外部的、向外的”)+ -some(源自希腊语 sōma,意为“身体/体”,常用于表示“粒子、结构体”)构成,字面可理解为“向外的(小)体/结构”。该词在生物学语境中逐渐专指细胞释放到细胞外的囊泡结构。

相关词 Related Words

文献与著作 Literary / Notable Works

  • Alberts et al., _Molecular Biology of the Cell_(《细胞的分子生物学》)(细胞外囊泡与细胞通讯相关章节常出现该词)
  • Weinberg, _The Biology of Cancer_(《癌症生物学》)(肿瘤微环境、转移与细胞间信号研究中常提到 exosome)
  • 期刊 Nature Reviews Molecular Cell Biology_、_Cell_、_PNAS 的外泌体综述与研究论文(“exosome(s)”为高频术语)
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